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git-svn-id: https://lmms.svn.sf.net/svnroot/lmms/trunk/lmms@1091 0778d3d1-df1d-0410-868b-ea421aaaa00d
143 lines
3.1 KiB
C
143 lines
3.1 KiB
C
/*
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* midi.h - constants, structs etc. concerning MIDI
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*
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* Copyright (c) 2005-2008 Tobias Doerffel <tobydox/at/users.sourceforge.net>
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*
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* This file is part of Linux MultiMedia Studio - http://lmms.sourceforge.net
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this program (see COPYING); if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA.
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*
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*/
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#ifndef _MIDI_H
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#define _MIDI_H
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#include "types.h"
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#include <cstdlib>
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enum MidiEventTypes
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{
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// messages
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MidiNoteOff = 0x80,
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MidiNoteOn = 0x90,
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MidiKeyPressure = 0xA0,
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MidiControlChange = 0xB0,
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MidiProgramChange = 0xC0,
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MidiChannelPressure = 0xD0,
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MidiPitchBend = 0xE0,
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// system exclusive
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MidiSysEx= 0xF0,
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// system common - never in midi files
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MidiTimeCode= 0xF1,
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MidiSongPosition = 0xF2,
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MidiSongSelect = 0xF3,
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MidiTuneRequest = 0xF6,
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MidiEOX= 0xF7,
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// system real-time - never in midi files
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MidiSync = 0xF8,
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MidiTick = 0xF9,
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MidiStart = 0xFA,
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MidiContinue = 0xFB,
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MidiStop = 0xFC,
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MidiActiveSensing = 0xFE,
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MidiSystemReset = 0xFF,
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// meta event - for midi files only
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MidiMetaEvent = 0xFF,
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} ;
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enum MidiMetaEvents
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{
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MidiCopyright = 0x02,
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MidiTrackName = 0x03,
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MidiInstName = 0x04,
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MidiLyric = 0x05,
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MidiMarker = 0x06,
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MidiCuePoint = 0x07,
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MidiPortNumber = 0x21,
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MidiEOT = 0x2f,
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MidiSetTempo = 0x51,
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MidiSMPTEOffset = 0x54,
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MidiTimeSignature = 0x58,
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MidiKeySignature = 0x59,
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MidiSequencerEvent = 0x7f
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} ;
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const int MidiChannelCount = 16;
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const int MidiControllerCount = 128;
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struct midiEvent
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{
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midiEvent( MidiEventTypes _type = MidiActiveSensing,
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Sint8 _channel = 0,
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Uint16 _param1 = 0,
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Uint16 _param2 = 0 ) :
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m_type( _type ),
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m_channel( _channel ),
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m_sysExData( NULL )
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{
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m_data.m_param[0] = _param1;
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m_data.m_param[1] = _param2;
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}
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midiEvent( MidiEventTypes _type, const char * _sysex_data,
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int _data_len ) :
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m_type( _type ),
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m_channel( 0 ),
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m_sysExData( _sysex_data )
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{
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m_data.m_sysExDataLen = _data_len;
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}
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inline Uint16 key( void ) const
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{
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return( m_data.m_param[0] );
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}
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inline Uint16 & key( void )
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{
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return( m_data.m_param[0] );
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}
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inline Uint16 velocity( void ) const
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{
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return( m_data.m_param[1] );
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}
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inline Uint16 & velocity( void )
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{
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return( m_data.m_param[1] );
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}
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MidiEventTypes m_type; // MIDI event type
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Sint8 m_channel; // MIDI channel
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union
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{
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Uint16 m_param[2]; // first/second parameter (key/velocity)
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Uint8 m_bytes[4]; // raw bytes
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Uint32 m_sysExDataLen; // len of m_sysExData
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} m_data;
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const char * m_sysExData;
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} ;
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#endif
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